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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 921-924 |
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Zareian A H, Kalate Seyfari A, Bahadoran M. Design of a Plasmonic Waveguide for Refractive Index Sensor. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :921-924
URL: http://opsi.ir/article-1-2089-en.html
URL: http://opsi.ir/article-1-2089-en.html
1- Department of Physics, Shiraz University of Technology
Abstract: (1630 Views)
An anti-resonant reflecting plasmonic waveguide from core of FK51A-glass based on the resonant coupling between a guided dielectric mode and surface plasmon polariton wave is designed for refractive index sensing application. The Finite Difference Eigen solver method is used and two fundamental modes are obtained at the visible wavelengths by varying the refractive index of the superstrate layer. Considering the light evanescent through the superstrate layer and light responses in this layer, a sensitivity as high as 0.02 (dB/nm)/RIU was measured for the TM1 mode, which is quite applicable for sensing application.
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